Cita APA

Clayton,, S. G. (1967). A Pocket Obstetrics (6th ed.). J.& A. Churchill.

Citación estilo Chicago

Clayton,, Stanley G. A Pocket Obstetrics. 6th ed. London: J.& A. Churchill, 1967.

Cita MLA

Clayton,, Stanley G. A Pocket Obstetrics. 6th ed. J.& A. Churchill, 1967.